3 days after people, Most radio stations have ceased broadcasting. The exception is the radio station KTAO in Taos, New Mexico. The station is solar powered and was engineered so that a computer would take control of the station if people weren’t around.
15 years after people, The solar powered KTAO radio station still continues to broadcast. But inside the computer that controls the music the bearings of the computer’s cooling fan fail and the cooling fan grinds to a halt. This causes to computer to overheat and the KTAO finally stops broadcasting.